diff --git a/components/subcanmodule/zcancmder_subboard_initer.hpp b/components/subcanmodule/zcancmder_subboard_initer.hpp
index 0a51678..ab1bed9 100644
--- a/components/subcanmodule/zcancmder_subboard_initer.hpp
+++ b/components/subcanmodule/zcancmder_subboard_initer.hpp
@@ -15,8 +15,8 @@ class ZCancmderSubboardIniter {
  public:
   typedef struct {
     int32_t                deviceId;
-    ZGPIO::InputGpioCfg_t  input_gpio[10];
-    ZGPIO::OutputGpioCfg_t output_gpio[10];
+    ZGPIO::InputGpioCfg_t  input_gpio[16];
+    ZGPIO::OutputGpioCfg_t output_gpio[16];
   } cfg_t;
 
  private:
diff --git a/components/zcancmder/zcan_board_module.hpp b/components/zcancmder/zcan_board_module.hpp
index e7caeca..b5fc8c9 100644
--- a/components/zcancmder/zcan_board_module.hpp
+++ b/components/zcancmder/zcan_board_module.hpp
@@ -29,15 +29,15 @@ using namespace std;
 class ZCanBoardModule : public ZIModule {
  public:
   typedef struct {
-    ZGPIO::InputGpioCfg_t  input[10];
-    ZGPIO::OutputGpioCfg_t output[10];
+    ZGPIO::InputGpioCfg_t  input[16];
+    ZGPIO::OutputGpioCfg_t output[16];
   } hardware_config_t;
 
   hardware_config_t m_cfg;
   int32_t           module_id;
 
-  ZGPIO m_input[10];
-  ZGPIO m_output[10];
+  ZGPIO m_input[16];
+  ZGPIO m_output[16];
 
   int32_t m_input_num  = 0;
   int32_t m_output_num = 0;